According to Og the Frog Books in Order
2 books by Betty G. Birney. Reading level: Grades 4.1–4.2. Middle Grades (Ages 9–12).
Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. According to Og the Frog (2 books by Betty G. Birney) lands at reading level Grades 4.1–4.2, with average content intensity 1/5. Intensity stays consistent across the series — a kid who can handle the first book can generally handle the rest.
The reading-order table below lists every book with per-volume reading level and intensity badges so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.
Content Intensity Across the Series
ConsistentContent stays at a steady intensity level throughout the series.
According to Og the Frog Reading Order
| # | Title | Reading Level | Content |
|---|---|---|---|
| 1 | Life according to Og the frog Betty G. Birney | Level 4-5 | Gentle |
| 2 | Wildlife According to Og the Frog Betty G. Birney | Level 4-5 | Gentle |
All According to Og the Frog Books
Questions about the According to Og the Frog series
- What reading level is the According to Og the Frog series?
- The According to Og the Frog series by Betty G. Birney is at a Grades 4.1–4.2 reading level (average Grade 4.2). Intended for Middle Grades (Ages 9–12). There are 2 books in the series.
- What order should I read the According to Og the Frog books?
- The reading-order table above lists all 2 books with per-volume reading level and intensity ratings. Start with book 1 and read in publication order unless the table indicates a different recommended order for newer readers.
- What age is the According to Og the Frog series appropriate for?
- The According to Og the Frog series is recommended for Middle Grades (Ages 9–12). The average content intensity is 1/5. Check the intensity trajectory above to see whether content gets heavier across the series — if it does, sensitive readers may want to stop earlier in the run.